Our objective was to identify active ingredients that could be combined to address all four factors,
said Frank Rippke, MD, Head of Scientific Management Eucerin.
“The body’s own amino acid, L-carnitine, was known to support the metabolism of fatty acids and reduce their availability for sebum formation. Twenty-one female volunteers (aged 22 to 56 years) with oily and shiny facial skin were enrolled in a controlled, randomised study. Volunteers applied a cosmetic formulation containing 2% L-carnitine, or the respective vehicle, in a split-face design twice daily (morning and evening). The results show that after three weeks of treatment, L-carnitine significantly decreased the sebum secretion score compared to the vehicle control.”